Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.xml.internal.bind.v2.runtime.property;

 import java.io.IOException;

 import java.lang.reflect.InvocationTargetException;

 import javax.xml.bind.JAXBElement;

 import javax.xml.bind.JAXBException;

 import javax.xml.bind.annotation.DomHandler;

 import javax.xml.stream.XMLStreamException;

 import com.sun.xml.internal.bind.api.AccessorException;

 import com.sun.xml.internal.bind.v2.ClassFactory;

 import com.sun.xml.internal.bind.v2.model.core.PropertyKind;

 import com.sun.xml.internal.bind.v2.model.core.WildcardMode;

 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElement;

 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeReferencePropertyInfo;

 import com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl;

 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;

 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;

 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;

 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;

 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;

 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.WildcardLoader;

 import com.sun.xml.internal.bind.v2.util.QNameMap;

 import org.xml.sax.SAXException;

 /**

  * @author Kohsuke Kawaguchi

  */

 final class SingleReferenceNodeProperty<BeanT,ValueT> extends PropertyImpl<BeanT> {

     private final Accessor<BeanT,ValueT> acc;

     private final QNameMap<JaxBeanInfo> expectedElements = new QNameMap<JaxBeanInfo>();

     private final DomHandler domHandler;

     private final WildcardMode wcMode;

     public SingleReferenceNodeProperty(JAXBContextImpl context, RuntimeReferencePropertyInfo prop) {

         super(context,prop);

         acc = prop.getAccessor().optimize(context);

         for (RuntimeElement e : prop.getElements()) {

             expectedElements.put( e.getElementName(), context.getOrCreate(e) );

         }

         if(prop.getWildcard()!=null) {

             domHandler = (DomHandler) ClassFactory.create(prop.getDOMHandler());

             wcMode = prop.getWildcard();

         } else {

             domHandler = null;

             wcMode = null;

         }

     }

     public void reset(BeanT bean) throws AccessorException {

         acc.set(bean,null);

     }

     public String getIdValue(BeanT beanT) {

         return null;

     }

     public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {

         ValueT v = acc.get(o);

         if(v!=null) {

             try {

                 JaxBeanInfo bi = w.grammar.getBeanInfo(v,true);

                 if(bi.jaxbType==Object.class && domHandler!=null)

                     // even if 'v' is a DOM node, it always derive from Object,

                     // so the getBeanInfo returns BeanInfo for Object

                     w.writeDom(v,domHandler,o,fieldName);

                 else

                     bi.serializeRoot(v,w);

             } catch (JAXBException e) {

                 w.reportError(fieldName,e);

                 // recover by ignoring this property

             }

         }

     }

     public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {

         for (QNameMap.Entry<JaxBeanInfo> n : expectedElements.entrySet())

             handlers.put(n.nsUri,n.localName, new ChildLoader(n.getValue().getLoader(chain.context,true),acc));

         if(domHandler!=null)

             handlers.put(CATCH_ALL,new ChildLoader(new WildcardLoader(domHandler,wcMode),acc));

     }

     public PropertyKind getKind() {

         return PropertyKind.REFERENCE;

     }

     @Override

     public Accessor getElementPropertyAccessor(String nsUri, String localName) {

         JaxBeanInfo bi = expectedElements.get(nsUri, localName);

         if(bi!=null) {

             if(bi instanceof ElementBeanInfoImpl) {

                 final ElementBeanInfoImpl ebi = (ElementBeanInfoImpl) bi;

                 // a JAXBElement. We need to handle JAXBElement for JAX-WS

                 return new Accessor<BeanT,Object>(ebi.expectedType) {

                     public Object get(BeanT bean) throws AccessorException {

                         ValueT r = acc.get(bean);

                         if(r instanceof JAXBElement) {

                             return ((JAXBElement)r).getValue();

                         } else

                             // this is sloppy programming, but hey...

                             return r;

                     }

                     public void set(BeanT bean, Object value) throws AccessorException {

                         if(value!=null) {

                             try {

                                 value = ebi.createInstanceFromValue(value);

                             } catch (IllegalAccessException e) {

                                 throw new AccessorException(e);

                             } catch (InvocationTargetException e) {

                                 throw new AccessorException(e);

                             } catch (InstantiationException e) {

                                 throw new AccessorException(e);

                             }

                         }

                         acc.set(bean,(ValueT)value);

                     }

                 };

             } else {

                 // a custom element type, like @XmlRootElement class Foo { ... }

                 return acc;

             }

         } else

             return null;

     }

 }